Eastern dammar (Agathis dammara)

Eastern dammar leaves
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Eastern dammar fact file

Eastern dammar description

GenusAgathis (1)

The eastern dammar (Agathis dammara) is a member of the genus Agathis, also known as the kauri trees, a term which is derived from the Maori name for these species. A tall evergreen tree, the eastern dammar has been of great importance to humans both for its wood and for its resin (3) (4).

The bark of the eastern dammar is smooth, thick and reddish-grey, and is marked with resin blisters. The narrow leaves are dark green and leathery, usually measuring four to eight centimetres long and about three centimetres wide (2) (3) (5). The female cone is globular, while the male cone is a dark brown cylinder (5). Species in the genus Agathis differ from related species in the genus Araucaria in having winged seeds (4).

The eastern dammar has been the subject of much taxonomic confusion, and has often been confused with Agathis borneensis from which it differs mainly in its more slender male cones and fatter female cones (1) (3). Two subspecies have been identified as Agathis dammara flavenscens (mountain dammar), differing from Agathis dammara dammara (lowland dammar) in various features of its leaves and cones (3) (5).

Also known as
Agathis gunung, Celebes kauri, Indonesian kauri.
Height: 45 - 70 m (2) (3)
Trunk diameter: 1.8 - 6 m (2)

Eastern dammar biology

Little is known about the biology of the eastern dammar, but it is likely to be similar to other Agathis species, for example, in the related Agathis australis, pollination occurs in October, with the winged seeds not maturing until February or March just under two years later (6).


Eastern dammar range

The eastern dammar is native to tropical Southeast Asia. It can be found in Indonesia and across the islands of Java, Sumatra, Borneo, Celebes and Moloccas (1) (2) (3).


Eastern dammar habitat

The eastern dammar occurs in a range of forest types, from lowland rainforest to montane forests, up to elevations of over 2,000 metres (3).


Eastern dammar status

The eastern dammar is classified as Vulnerable (VU) on the IUCN Red List (1).

IUCN Red List species status – Vulnerable


Eastern dammar threats

The eastern dammar has an extensive history of use for both the resin it exudes and its wood (1) (3) (4). Its resin, known as dammar, was formerly very important in varnish, linoleum and traditional medicine. Even now, the bark is still burnt to repel mosquitoes and the dammar is used to glaze paper labels and glossy photographic prints (4). Commercial exploitation of the eastern dammar for its resin by wounding its bark can damage the trees over time (3).

The eastern dammar is also valuable for its timber, which is used as general-purpose softwood (4). Large numbers of this tree have been extracted, particularly in Kalimantan. This exploitation is continuing, and regeneration of the eastern dammar is insufficient to replace the felled populations (1) (7).


Eastern dammar conservation

As with all species of Agathis, it is illegal to fell the eastern dammar in the Philippines. Plantations of this species have been established across its range, although these may not replace the losses of wild trees due to overexploitation (1) (3) (4) (7).


Find out more

More information on the eastern dammar:



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This species information was authored as part of the Arkive and Universities Scheme.


A plant which retains leaves all year round. This is in contrast to deciduous plants, which completely lose their leaves for part of the year.
A category used in taxonomy, which is below ‘family’ and above ‘species’. A genus tends to contain species that have characteristics in common. The genus forms the first part of a ‘binomial’ Latin species name; the second part is the specific name.
Montane forest
Forest occurring in mountains.
The transfer of pollen grains from the stamen (male part of a flower) to the stigma (female part of a flower) of a flowering plant. This usually leads to fertilisation, the development of seeds and, eventually, a new plant.
A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.


  1. IUCN Red List (November, 2011)
  2. Silba, J. (1986) An International Census of the Coniferae. Phytologia Memoir VIII. Harold N. Moldenke and Alma L. Moldenke, Oregon, USA.
  3. Eckenwalder, J.E. (2009) Conifers of the World: The Complete Reference. Timber Press, Portland, Oregon.
  4. Mabberley, D.J. (2002) The Coming of the Kauris. Curtis’s Botanical Magazine, 19(4): 252-264.
  5. Whitmore, T.C. (1980) A monograph of Agathis. Plant Systematics and Evolution, 135(1-2): 41-69.
  6. Owens, J.N., Catalano, G.L. and Aitken-Christie, J. (1997) The reproductive biology of the kauri (Agathis australis). IV. Late embryology, histochemistry, cone and seed morphology. International Journal of Plant Sciences, 158(4): 395-407.
  7. Oldfield, S., Lusty, C. and MacKinven, A. (1998). The World List of Threatened Trees. World Conservation Press, Cambridge.

Image credit

Eastern dammar leaves  
Eastern dammar leaves

© www.botanypictures.com / Antonie van den Bos

Antonie van den Bos


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